public class Es {
  public static void main (String args[]){
    int x=234,y=432;
    System.out.println(x+"<"+(2*x));
    System.out.println("输入结果后不回车");
    System.out.println("输入结果后自动回车到下一行");
    System.out.println("x+y="+(x+y));
  }
}
